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【单选题】
下面关于静态RAM的说法中，正确的是（ ）。A.
静态 RAM 中的信息掉电之后不会消失
B.
静态 RAM 的存取速度快、信息存放稳定，但是价格较高
C.
静态 RAM 一般可以用做主内存
D.
静态 RAM 需要定时刷新
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【简答题】水体点源污染和非 点源污染的区别?
【单选题】How many men and women stopped to help the girl respectively during the filming hours?
A.
40 women and 20men.
B.
50 women and 5 men.
C.
23 women and 2 men.
D.
41 women and 2 men.
【单选题】She helps her mother do housework after school______18:00______19:00 everyday.
A.
from...in
B.
from....to
C.
from...with
D.
from...and
【单选题】She helps her mother do housework after school___18:00___19:00 every day.
A.
from....to
B.
begin
C.
bring
D.
be good for
E.
like
【单选题】患者女,28岁。甲状腺功能亢进病史半年,妊娠3个月。甲状腺功能亢进症状加重。该药物的作用机制
A.
对抗甲状腺激素的效应
B.
抑制甲状腺过氧化物酶,阻断甲状腺激素的合成
C.
破坏甲状腺滤泡上皮,减少甲状腺isu的合成与释放
D.
抑制无机碘氧化成有机碘
E.
破坏体内已合成的甲状腺激素
【单选题】听力原文： Do you believe that men and women think differently? Many people say no. They say men and women are born with exactly the same abilities to think and learn. They think social life affects their ...
A.
men and women have exactly the same brains in their heads
B.
men and women have quite different brains in their heads
C.
men are better at mathematics while women better at languages
D.
men and women see the world around them in different ways
【单选题】The passage implies that ______ is a great favorite of many Americans, men and women, old and young.
A.
jogging/running
B.
joining running clubs
C.
reading books and magazines about running
D.
going in for all kinds of sports
【单选题】She helps her mother do housework after school _________ 18:00 _______ 19:00 every day.
A.
not only...but also...
B.
from... to
C.
neither...nor
D.
both... and
【简答题】She helps her mother do housework after school ______ 18:00 ______ 19:00 every day.
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